datacheck.js

企业管理信息化之财务管理系统

        
		//*******************************************************************************************************************************
        //以下是对外提供的函数调用
        //*******************************************************************************************************************************        
	    //判断输入字符串的有效性
		function validateStringValue(svalue)
		{
			var pattern = /\s*\S\s*/;
			if (pattern.exec(svalue)==null)
			{
				return false;
			}
			else
			{
				return true;
			}
		}
       
        //检查EMail地址是否合法
        function Email(name,str)
        {
            whichE = eval("document.all." + [name]);
            if (whichE.value.length > 0)
		    {
			    if (!EmailVerify(whichE.value))
				{
				alert('请输入标准的'+ str +'，如：[e-mail]！');
				whichE.focus();
				return false;
                }				
		    }
		    return true;
        }
        
        
        //检查是否为空
        function Empty(name,str)
        {
            whichE = eval("document.all." + [name]);
			if (!validateStringValue(whichE.value))
			{
			    whichE.value="";
				alert('请输入 '+str+'！');
				whichE.focus();
				return false;
			}
		    return true;
        }
        
        //检查是否为数字
        function Number(name,str)
        {
            whichE = eval("document.all." + [name]); 
            if (whichE.value.length > 0)
			{
			    if(!CheckNumber(whichE.value))
			    {
					alert ('请在 '+ str +' 栏中输入正确的数字！');
					whichE.focus();
					return false;
				}
			}
			return true;
        }
        
        //检查是否为正数
        function PlusNumber(name,str)
        {
            whichE = eval("document.all." + [name]); 
            if (whichE.value.length > 0)
			{
			    if(!CheckPlusNumber(whichE.value))
			    {
					alert ('请在 '+ str +' 栏中输入正确的正数！');
					whichE.focus();
					return false;
				}
			}
			return true;
        }
        
        //判断是否是整数
		function Integer(name,str)
		{
			whichE = eval("document.all." + [name]); 
			if(isNaN(whichE.value)== true)
			{
				alert('请在 ' + str + ' 栏中输入正确的整数！')
				whichE.focus();
				return false;
			}   
			if(/^[0-9]+$/.test(whichE.value) == false)
			{
				alert('请在 ' + str + ' 栏中输入正确的整数！')
				whichE.focus();
				return false;
			}   
			return true;
		}
        
        //检查日期是否合法
        function Datetime(name,str)
        {
            whichE = eval("document.all." + [name]); 
            if (whichE.value.length > 0)
			{
			    if(!CheckDate(whichE.value))
			    {
					alert ('请在 '+ str +' 栏中输入正确的日期，格式如2002-1-1！');
					whichE.focus();
					return false;
				}
			}
			return true;
        }
        
        
        //检查邮编是否合法
        function yb(name,str)
        {
            whichE = eval("document.all." + [name]); 
            if (whichE.value.length > 0)
			{
			    if(whichE.value.length != 6 )			    
			    {
					alert ('请在 '+ str +' 栏中输入正确的邮政编码！');
					whichE.focus();
					return false;
				}
			}
			return true;   
        }
        


        
        
        
        
        //响应页面的tab键按下事件的方法
         function TextEnter(frm)
         {
			var key = window.event.keyCode
			if(key == 0xD)
			{
				var CurTabIndex = window.event.srcElement.tabIndex + 1;   
				for(var n=0;n<frm.elements .length;n++)
				{
					if(frm.elements [n].tabIndex == CurTabIndex)
					{
						frm.elements [n].focus();
						return true;
					}
				}
			}
		}
		
		
		
		
		
		
		function MM_swapImgRestore() { //v3.0
		var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
		}

		function MM_preloadImages() { //v3.0
		var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
			var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
			if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
		}

		function MM_findObj(n, d) { //v3.0
		var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
			d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
		if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
		for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
		}

		function MM_swapImage() { //v3.0
		var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
		if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
		}
        //*******************************************************************************************************************************
        // END
        //*******************************************************************************************************************************        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        //*******************************************************************************************************************************
        //以下是本页面函数的内部调用，不在外部调用
        //*******************************************************************************************************************************        
        //检验是否数字
        function CheckNumber(n)
		{
		    var i=0;
			var j=0;
			for(j=n.length-1;j>0; j--)
			{
				if(n.charAt(j) != ' ')								
				break;
			}
			for(i=0;i<n.length;i++)
			{
				if(n.charAt(i)!=' ')				
				break;	
			}			
			n=n.substring(i,j+1);
			
			var checkOK = "0123456789-.";
			var allValid = true;
			var decPoints = 0;
			var allNum = "";
			for (i = 0;  i < n.length;  i++)
			{
				ch = n.charAt(i);
				for (j = 0;  j < checkOK.length;  j++)
					if (ch == checkOK.charAt(j))
					break;
				if (j == checkOK.length)
				{
					allValid = false;
					break;
				}
				if (ch == ".")
				{
					allNum += ".";
					decPoints++;
				}
				else
					allNum += ch;
				}
				if (!allValid)
					return false;
				if (decPoints > 1)
					return false;
				return true;
			}
		//检验是否正数
	    function CheckPlusNumber(n)
		{
			if(n.length > 13)
			{
				return false;
			}
		    var i=0;
			var j=0;
			var plusvar = n;
			for(j=n.length-1;j>0; j--)
			{
				if(n.charAt(j) != ' ')								
				break;
				
			}
			for(i=0;i<n.length;i++)
			{
				if(n.charAt(i)!=' ')				
				break;	
			}			
			n=n.substring(i,j+1);
		    
			var checkOK = "0123456789.";
			var allValid = true;
			var decPoints = 0;
			var allNum = "";
			for (i = 0;  i < n.length;  i++)
			{
				ch = n.charAt(i);
				for (j = 0;  j < checkOK.length;  j++)
					if (ch == checkOK.charAt(j))
					break;
				if (j == checkOK.length)
				{
					allValid = false;
					break;
				}
				if (ch == ".")
				{
					allNum += ".";
					decPoints++;
				}
				else
					allNum += ch;
				}
				if (!allValid)
					return false;
				if (decPoints > 1)
					return false;
				if (parseFloat(plusvar) == 0)
					return false;

				return true;
			}
			var g_MINY = 1601;
			var g_MAXY = 4500;
			var rgMC = new Array(12);
			rgMC[0] = 31;rgMC[1] = 28;rgMC[2] = 31;rgMC[3] = 30;rgMC[4] = 31;rgMC[5] = 30;rgMC[6] = 31;rgMC[7] =31;rgMC[8] = 30;rgMC[9] = 31;rgMC[10] = 30;rgMC[11] = 31;
		
		function IsLeapYear(year) 
　　	{ 
　　		if ((year % 100) == 0) 
　　		    return((year % 400) == 0); 
　　		return ((year % 4) == 0); 
　　	} 
　　	
		function isdigit(c)
			{
				return(c >= '0' && c <= '9');
			}
		
		function GetMonthCount(m,y)
			{
				var c = rgMC[m-1];
				if((2 == m) && IsLeapYear(y)) c++;
				return c;
			}
		
		function atoi(s)
			{
				var t = 0;
				for(var i = 0; i < s.length; i++)
				{
					var c = s.charAt(i);
					if(!isdigit(c)) return t;
					else t = t*10 + (c-'0');
				}
				return t;
			}
		
		function CheckDate(t)
			{
				var l = t.length;
				if(0 == l) return false;
				var cSp = '\0';
				var sSp1 = '';
				var sSp2 = '';
				for(var i = 0; i < t.length; i++)
				{
					var c = t.charAt(i);
					if(c == ' ' || isdigit(c)) continue;
					else if(cSp == '\0' && (c == '/' || c == '-' || c == '.'))
					{
						cSp = c;
						sSp1 = t.substring(i+1,l);
					}
					else if(c == cSp) sSp2 = t.substring(i+1,l);
					else if(c != cSp) return false;
				}
				if(0 == sSp1.length) return false;
				var m;
				var d;
				var y;
				if(0 == sSp2.length) return false;
				m = atoi(sSp1);
				d = atoi(sSp2);
				y = atoi(t);
				if(y < 100)
				{
					y = 1900+y;
					while(y < g_yLow) y = y+100;
				}
				if(y < g_MINY || y > g_MAXY || m < 1 || m > 12) return false;
				if(d < 1 || d > GetMonthCount(m,y)) return false;
				g_month = m;
				g_day = d;
				g_year = y;
				return true;
			}
			
		function EmailVerify(theemail)
		{
			if (theemail.lastIndexOf("@") < 1)
				return false;
			else if(theemail.lastIndexOf("@") == theemail.length - 1)
			{
				return false;				
			}	
			else
			{
				var submail = theemail.substring(theemail.lastIndexOf("@")+1,theemail.length);
				
				if (submail.lastIndexOf(".") < 1)
					return false;
			}
			return true;		
		}